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SubjectRe: [PATCH v5 5/5] drm/panfrost: Register devfreq cooling and attempt to add Energy Model
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

On Wed, Mar 18, 2020 at 11:45:48AM +0000, Lukasz Luba wrote:
> Register devfreq cooling device and attempt to register Energy Model. This
> will add the devfreq device to the Energy Model framework. It will create
> a dedicated and unified data structures used i.e. in thermal framework.
> The last NULL parameter indicates that the power model is simplified and
> created based on DT 'dynamic-power-coefficient', voltage and frequency.
>
> Reviewed-by: Steven Price <steven.price@arm.com>
> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
> ---
> drivers/gpu/drm/panfrost/panfrost_devfreq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
> index 413987038fbf..8759a73db153 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
> @@ -105,7 +105,7 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
> }
> pfdev->devfreq.devfreq = devfreq;
>
> - cooling = of_devfreq_cooling_register(dev->of_node, devfreq);
> + cooling = devfreq_cooling_em_register(devfreq, NULL);
> if (IS_ERR(cooling))
> DRM_DEV_INFO(dev, "Failed to register cooling device\n");
> else
> --
> 2.17.1
>
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